English verb conjugation
MUST PARTICIPATE

Regular verb: participate - participated - participated

Affirmation

Simple form	V-ing form
I must participate you must participate she must participate we must participate you must participate they must participate	I must be participating you must be participating she must be participating we must be participating you must be participating they must be participating
Perfect	V-ing perfect
I must have participated you must have participated she must have participated we must have participated you must have participated they must have participated	I must have been participating you must have been participating she must have been participating we must have been participating you must have been participating they must have been participating

Negation

Simple form	V-ing form
I must not participate you must not participate she must not participate we must not participate you must not participate they must not participate	I must not be participating you must not be participating she must not be participating we must not be participating you must not be participating they must not be participating
Perfect	V-ing perfect
I must not have participated you must not have participated she must not have participated we must not have participated you must not have participated they must not have participated	I must not have been participating you must not have been participating she must not have been participating we must not have been participating you must not have been participating they must not have been participating

Interrogative form

Simple form	V-ing form
must I participate? must you participate? must she participate? must we participate? must you participate? must they participate?	must I be participating? must you be participating? must she be participating? must we be participating? must you be participating? must they be participating?
Perfect	V-ing perfect
must I have participated? must you have participated? must she have participated? must we have participated? must you have participated? must they have participated?	must I have been participating? must you have been participating? must she have been participating? must we have been participating? must you have been participating? must they have been participating?

Interro-negative form

Simple form	V-ing form
must I not participate? must you not participate? must she not participate? must we not participate? must you not participate? must they not participate?	must I not be participating? must you not be participating? must she not be participating? must we not be participating? must you not be participating? must they not be participating?
Perfect	V-ing perfect
must I not have participated? must you not have participated? must she not have participated? must we not have participated? must you not have participated? must they not have participated?	must I not have been participating? must you not have been participating? must she not have been participating? must we not have been participating? must you not have been participating? must they not have been participating?